#!/bin/sh
# PCP QA Test No. 1723
# Exercise the bpftrace PMDA - check autostart script directory permissions
#

seq=`basename $0`
echo "QA output created by $seq"

. ./common.bpftrace

_pmdabpftrace_check
echo "tracepoint:syscalls:sys_enter_openat" >$tmp.tmp
_pmdabpftrace_check_probes $tmp.tmp


_cleanup()
{
    $sudo rm -f $PCP_PMDAS_DIR/bpftrace/autostart/*.bt
    _pmdabpftrace_cleanup
}

status=1       # failure is the default!

_prepare_pmda bpftrace
trap "_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd


# real QA test starts here
cat <<EOF | sudo tee $PCP_PMDAS_DIR/bpftrace/autostart/script.bt > /dev/null
// name: testscript
BEGIN { @scalar = 2; }
tracepoint:syscalls:sys_enter_openat { @ = count(); }
EOF

echo "=== check with chmod 777 ==="
$sudo chmod 777 $PCP_PMDAS_DIR/bpftrace/autostart
cat <<EOF | _pmdabpftrace_install
# Installed by PCP QA test $seq on `date`
EOF
pminfo bpftrace
grep -o "/bpftrace/autostart must be exclusively writable by root" $PCP_LOG_DIR/pmcd/bpftrace.log

echo "=== check with chmod 775, wrong group ==="
$sudo chmod 775 $PCP_PMDAS_DIR/bpftrace/autostart
$sudo chgrp $PCP_USER $PCP_PMDAS_DIR/bpftrace/autostart
cat <<EOF | _pmdabpftrace_install
# Installed by PCP QA test $seq on `date`
EOF
pminfo bpftrace
grep -o "/bpftrace/autostart must be exclusively writable by root" $PCP_LOG_DIR/pmcd/bpftrace.log

echo "=== check with chmod 775, correct group ==="
$sudo chmod 775 $PCP_PMDAS_DIR/bpftrace/autostart
$sudo chgrp root $PCP_PMDAS_DIR/bpftrace/autostart
cat <<EOF | _pmdabpftrace_install
# Installed by PCP QA test $seq on `date`
EOF
pminfo bpftrace


_pmdabpftrace_remove
status=0
exit
